Armature mounting



Feb. 15, 1927.' 1,617,856

. y B. `F. LOLLIS 1 v ARMATURE MOUNTING 2 Sheets-Sheet 1 Filed Feb. 14..1924 hm \wmr.1.

ill

B. F. LOLLIS ARMATURE MOUNTING Feb. y 15, 1927. 4 1,617,856

Filed Feb. 14. 1924 2 Sheets-Shes?l 2 Patented Feb. 15, 1927.

UNITED STATES BENJAMIN FRANKLIN LQLLIS, QF BERWYN, ILLINOIS.

ARMATURE MouNTrNG.

Application led February 14, 1924. Serial No. 692,934.v

The present inifentionrelates to armature mountings.

The present invention is applicable to and is particularly useful inconnection with relay devices such as are used in electric signais. Forthe reason, among others, that relatively small voltages are used inelectric railway signaling devices, it is necessary that the movingparts beinicely adjusted so that no binding will occur to prevent propermovement; It is essential that the arma,- tures responsive to theelectro-magnets of the relays be so mounted that they will move 'ireelyand with precision inresponse to.` energizationot saidf electro-magnets.i

It is an object oli the present invention. to provide a constructionVinvolving electromagnet and armature in which the arma,- ture is somounted that fine adjustmentv is readily accomplished.

A further object is tovprovide a construe-I tion` of armaturemountingwhich combines the advantages oi ease of adjustment with`certainty that the parts will' remainfin ald-` justed position.

A further object is to provideJ any armature mounting involvingathree-point sus.- pension wherebyv adjustment is readily acA complished.

`Further objects willappear as the descriptionL proceeds.

Referring to thel drawingsV Figure 1 isa View in frontelevation of arailway signalling device' embodying the principles or' the presentinvention;

Figure 2 is a sectional` view takeny along the plane indicated by thearrowsA 2 2 of Figure 1;

Figure 3v is a sectional ViewI ony an enlarged scale of part of themechanism shown in Figuresl 1 and- 2 said sectional view bei-ng takenalongtheplane indicated by the arrows 3-3 of Figure/1;

Figure 4 is a sectional view taken along the plane indicated by thearrows of Figure 2 i Figure 5A is a sectional View taken along the planeindicated by the arrows 5-5' of Figure 4;

Figures 6 and 7 are fragmentary views illustratingcertain modifieddetails of construction;` and Figures 8 and; 9 are 'fragmentary viewsillustrating certain otl'xermodiffied d'etailsioff construction.

Reterringrst to the construction shown in Figures 1 to 5, inclusive, thenumeral 1 indicates a housing which housing includes a cover 2. rlhehousing may have sight openings indicated by numerals 3-3 which openingsmay be closed by the transparent closures 4-.-4. The cover 2` providesmounting' tact members 10-10, said contact members:

being carried at the lower ends of spacing devices 11-11. The contactmembers carry resilient contact iingers 12-12 adapted toy engage withrelative stationary Contact members 13--13- In the illustratedembodiment of the present invention four contact members 10, fourcontact members 12 and tour contact members 13 are illustrated, lt willbe understood, of course, `that any` desired number of contact membersmay be provided, depending upon the service which the relay device istoperform.

Rigidlyunited to the pole pieces 8-8 is the bar 14 (see Fig. 3),. Saidbar 14` may beiastened to the pole pieces 8-82by means of the screws 15.Said bar 14 may be countersunk Jfor the reception of the heads otscrewslI whereby said boltswill not project beyond theouter Jface ofsaid bar 14. Y

Suspended fromthe bar 14 is the supporting member 16 which supportingmember is shown as being 0il Leshaped cross-section in the illustratedembodiment of the present invention. Said supporting member 16 isprovided with a screw-threaded aperture substantially midway of itslength which aperture receives the screw 17 adapted to abut against theunder side of bar 14 ina region spaced substantially midway of thelength of said bar 14. Disposed along axes displaced fromA the axis ofscrew 17, but pret erably in a common plane therewith, are a pair ofholes 18'-18in the supporting member 16, which holes are of sufficientsize to allow the free passage therethrough of the Shanks orf screws15)' 19 which have screwthreaded engagement with the support 14.

iio

Y The heads of said screws 19-19 have abutting relation with the underside of member 16. The screw 17 may be provided with the locl; nut 19wherebyV said screw' 17 may be held in any desired position. As isevident from the drawings, the supportingrmember 16 is of L-shapedconformation, one leg of which abuts they rear side ofthe member' 14 ina plane substantiallyparallel with the x plane Yof the axes of thescrews 17-17 .andi

19 andthe other leg ofwhich receives said vscrews 17-*17 and 19.

It will be clear that the angularl position of the support 16 relativeto the bar 14 may be adjusted by manipulation of the two bolts 19'-19,the heads of which may be positioned to exert a pressure on the underside of supporting member 16 and that said angular position may beheldby .turning the bolt 17 so that the tip thereof tightly enl gages theunder side of'bar 14.

The supporting member 16 is recessed as indicated vby the numerals20-2() (Figure 4) which recesses provide lugs 21-21 atth'e extremities`of: .said supporting member. Said lugs 21-21 are screw-threaded for thei reception of the screw threaded vpins 22--22, providing pintles(Figures 4 and 5) which pint-les swingingly support the armature 9.

Y provided with lock nuts 28-23 for holding Said screw-threaded pins22--22 may-be same in position.

rlfhe armature 9 is provided near its extremities with the lugsV 24-24having aligned Vholespwhich holes may be provided `with bushings2525-Each-of the screw- Y `threaded pins 22.-22 is provided with acylindrical portion 26 adapted to fit within a corresponding bushing 25whereby to have a movement of rotation within said corresponding bushing25.V v p It will be'clear vwithout detailed explanation that by reasonof the construction illustrate'd in Figuresl to 5 inclusive, thearmature9 may be very nicely adjustedand said adjustment willfbe maintainedthroughout .service conditions, the bolts 17 and 19-19 lprovide athree-point suspension for the 'supporting member 16. rllhe bolts 19-19'win have .a Sung-Lenny @lose .et Within the .holes 18-18 of thesupporting member 16 that` movement ofv said supporting member in aplane normaltothe axes of the bolts 19--19 -will be prevent-ed. At thesame time the slight adjustment of the Vsupporting member 16 which isnecessary in service in a plane parallel with the aXes of theboltsl9-19'will be readily accomplished by simple manipulation of bolts 19-19and bolt 17. By manipulation" of the lock nut 19 vthe bolt 17 may besecurely locked in position, so thatthe adjusted position of suptained.

porting member 16 will be effectively main- Y Ther pins 22-22 Ywill bein alignment Vat alltimes and adjustment of the sup- Vcated by thenumeral 28.

indicates a bolt extending through lug 21A porting member 16 will havethe result of vadjusting the position of the armature 9 relative to thepole pieces with which they cooperate.

Figures 6 and' 7 illustrate a slight modification of the means forsupporting the armature 9 from the supporting member 16. According tothe construction illustrated in said figures, the lug 21 ofv thesupporting member 16 rotatably carries a pair of nonscreW-threaded pins,only, one of said pinsV 27 being illustrated in Figures 6 and 7.

Each of said'pins may be grooved asV indi- The numeral 29 in adirectionof right angles to the corre- Y sponding pin 27. the groove of the pin27 whereb to prevent said pin 27 from withdrawing rom the lug 21. Thepin 27 is provided with the extension 29 fitting within the bushing 25carried by the lug 24 of the armature v9.

According Yto the` construction illustrated in-Figures 8 and 9, the lug21 ofthe supporting member 16 is screw-threaded for the reception of thescrew-threaded pin 20.

Said lug is slotted as indicated by the numer-al 31, said slotcommunicating with the hole which receives the pinBO. The slot 31lprovides the two bifurcations 32 and 33 of which the bifurcation 32 maybe provided The said bolt 29 fits into i with the screw-threaded hole 34Aand the bifurcation may be provided 'with the non-screW-threaded hole35 in alignment with said.screw-threaded hole 34. The screw-threadedpin36 will be provided having the head 37. It will be clear that byturning up the screw-threaded pin 36, theA It will be understood thattheillustrated Y embodiments of the present invention have been chosen'merely for the purpose of illustration and should not be. considered ina limiting sense. It is intended that this patent shall includejallmodifications that fall within the. scopeof the appended claims.

I claim: l A

1. In combination, a pair of magnetic cores having adjacent pole pieces,the axes of said cores being parallel with one `another, a non-magneticmember secured j to said pole pieces, an armature cooperativelyassociated with said pole pieces,.and an ar- Y mature.supporting memberfor swingingly supporting said armature along an axis parallel with theplane of the axes of said cores, three screws having their axes in aplane substantially parallelwith the plane of the axes of said cores foradjustably securing said supporting member to said non-magnetic member,the two outermost of said with the first of said members, whereby theangularity of saidarmature relative to said pole pieces may be readilyadjusted.

2. In combination, a pair of magnetic cores having adjacentI polepieces, the axes of said cores being parallel with one another anon-magnetic member secured to` said pole pieces, an armaturecooperatively associated with said pole pieces, and an armaturesupporting member o-r swingingly supporting sai-d armature along an axisparallel withthe plane of the axes of said cores, three screws havingtheir axes in a plane substantially parallel with the plane of the axesof said cores for adjustably securing said supporting member to saidnon-magnetic member, the two outermost 'of said Screws havingscrew-threaded engagement with one of said members and abuttinrelationship with the otherl of saidmem ers, the'middle one of saidscrews having screwthreaded engagement with said other of said membersand havin labutting relationship with the first of sai -members, wherebythe angularity of said armature relative to said pole pieces may bereadily adjusted, said armature supporting member having an shapedconformation, o-ne leg of which abuts one sideof said non-magneticmember in a plane substantially 'parallel with the plane of the axes ofsaid screws.`y

Signed at Chicago, Illinois, this eleventh day of February, 1924. i

BENJAMIN FRANKLIN LOLLIS.

